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NAU GLG 112 - Stream Terminology
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GLG 112 1st Edition Lecture 32Outline of Last LectureStreamsI. Hydrologic cycle A. Distribution of waterB. Processes that contribute to streamsOutline of Current Lecture II. Stream TerminologyA. HeadwatersB. MouthC. TributariesD. Trunk StreamE. Drainage BasinF. ChannelG. Floodplain H. Levee I. GradientJ. Base level III. Stream Flow: water and sedimentCurrent LectureHeadwaters: the beginning of the riverMouth: where the river ends. Where it flows into the ocean or a big body of water.Tributaries: small rivers that feed into the big riverTrunk stream: the main riverDrainage basin: precipitation runoff area. All the water that falls here ends up in the main riverChannel: where the water flows. Bank: the part of the channel that is dryThese notes represent a detailed interpretation of the professor’s lecture. GradeBuddy is best used as a supplement to your own notes, not as a substitute.Bed: the bottom of the water channelBank full flow: means the water level is so high there is no bank and it will flood if more water is added. Floodplain: flat land next to a stream that will be underwater when it floods. Levee: blocks water on the sides of the stream. Man made ones are bigger than natural ones generally. They are mounds of the biggest stuff a stream carries and deposits when it floods. Gradient: the slope of the river. It is steeper near the headwaters and less steep near the mouth. Base level: the lowest elevation of a stream. Headwaters are farthest from it. Stream Flow can be calculated with velocity and discharge of the water. Velocity is in meters per second (m/s)Discharge is the volume of water that passes in a set amount of time. (m3/s)Discharge = velocity x cross sectional area depth x cross sectional area


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NAU GLG 112 - Stream Terminology

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